Home / 26,838.64-40,077.23-21,918.04

Finding the Fourth Proportional to 26,838.64, 40,077.23 and 21,918.04

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Solution

The fourth proportional to 26,838.64, 40,077.23 and 21,918.04 is: 32,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.64 : 40,077.23 = 21,918.04 : x
  2. Step 2: Convert to fraction form
    26,838.64/40,077.23 = 21,918.04/x
  3. Step 3: Cross multiply
    26,838.64x = 40,077.23 × 21,918.04
  4. Step 4: Simplify right side
    26,838.64x = 878,414,330.23
  5. Step 5: Solve for x
    x = 878,414,330.23/26,838.64
  6. Step 6: Final answer
    x = 32,729.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.